#include <iostream>

using namespace std;
int main()
{

    //比较运算符
    //==
    int a =10;
    int b = 20;
    cout<<(a == b)<<endl;//0
    cout<<(a != b)<<endl;//1
    cout<<(a > b)<<endl;//0
    cout<<(a < b)<<endl;//1
    cout<<(a <= b)<<endl;//1
    cout<<(a >= b)<<endl;//0
    cout<<"hello C++"<< endl;
    system("pause");

    return 0;
}